I stumbled across this site when doing some research to answer an email question: <http://www.apparelsearch.com/> You can search for anything having to do with textiles, including specific items made from textiles (my search was for 'toque') and come up with lots of interesting information. It has a nice group of pages on aspects of wool and other fibers, for example, which summarize how the fibers are harvested or made, and processed into textiles. Loads fast, too, since it's not fancy and photo-heavy.
Holly